> It‘s extremely difficult to predict the lifetime of a consumer product as it also depends on how it’s being used. That's actually false. Almost all of the en

> It‘s extremely difficult to predict the lifetime of a consumer product as it also depends on how it’s being used. That's actually false. Almost all of the engineered goods are engineered to a certain lifetime. Usually companies have internal endurance testing results for every item. The ones who care about will release their expectations.